File: inline-asm-with-lifetimes.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (22 lines) | stat: -rw-r--r-- 410 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
//@ revisions: good bad
//@[good] build-pass
//@ needs-asm-support

use std::arch::asm;

// lifetime requirement, we should check it!!
#[cfg(bad)]
fn dep<'a, T: 'a>() {}

// no lifetime requirement
#[cfg(good)]
fn dep<'a: 'a, T>() {}

fn test<'a: 'a, T>() {
    unsafe {
        asm!("/* {} */", sym dep::<'a, T> );
        //[bad]~^ ERROR the parameter type `T` may not live long enough
    }
}

fn main() {}